298116540 has 36 divisors (see below), whose sum is σ = 904287384. Its totient is φ = 79497696.

The previous prime is 298116529. The next prime is 298116571. The reversal of 298116540 is 45611892.

298116540 is a `hidden beast` number, since 29 + 81 + 16 + 540 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 298116495 and 298116504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 827922 + ... + 828281.

It is an arithmetic number, because the mean of its divisors is an integer number (25119094).

Almost surely, 2^298116540 is an apocalyptic number.

298116540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

298116540 is an abundant number, since it is smaller than the sum of its proper divisors (606170844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

298116540 is a wasteful number, since it uses less digits than its factorization.

298116540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1656218 (or 1656213 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 298116540 is about 17266.0516621491. The cubic root of 298116540 is about 668.0290633607.

The spelling of 298116540 in words is "two hundred ninety-eight million, one hundred sixteen thousand, five hundred forty".